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How is a refraction test used to diagnose presbyopia?

A refraction test is performed regularly by an ophthalmologist. It is one way for presbyopia to be detected. It uses the familiar device that has many different lenses. The patient looks through the device at various different lens strengths and tries to read at a distance. In addition to diagnosing presbyopia, this test can also help determine precisely how much correction is necessary.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.